SEC Goes Social: Is There Transparency on Twitter?

April 4 (Bloomberg) -- Michelle Leder, founder at Footnoted.com, discusses the decision by the SEC to allow companies to share business data on social media and what it means to transparency. She speaks on Bloomberg Television's "Bloomberg Surveillance."

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Richard Nephew of Columbia University discusses how U.S. negotiators might try to roll back sanctions against Iran during talks over the country's nuclear program. He talks to Bloomberg's Alix Steel on Street Smart.